150C Mr Gasket EXH GSKT SB CHEV SQ PORT

EXH GSKT SB CHEV SQ PORT exhaust gasket; small block Chevy; Chevy exhaust gasket; header gasket; SB chevy; GM; Chevelle; Camaro; Corvette; Nova; Chevy II; Mr. Gasket Performance Header Gaskets Fits 1955-1991 Chevrolet 262-400 Gen I Small Block. Square Ports, 1.45 Inch x 1.48 Inch Mr. Gasket Performance exhaust gasket material is a heavy duty material, .062 inch thick, consisting of an acrylic binder system to resist high temperature. This material is made for sealing exhaust applications. Provides excellent sealing and durability. Manufactured from high-temperature acrylic blend exhaust material Provides excellent sealing and durability Can be trimmed if necessary for modified port applications For OE replacement, high performance street, drag race and oval track use